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SBB 480/SBB 49

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SBB 450M/SBB 46M SBB 480M/SBB 49M
#SEV480

Description

Korea KS SBB 480/SBB 49 Boiler and pressure vessel with carbon steel plate and steel grade molybdenum alloy steel plate and SBB 480/SBB 49 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SBB 480/SBB 49
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SBB 480/SBB 49 KS Korea Boiler and pressure vessel with carbon steel plate and steel grade molybdenum alloy steel plate
SPPV 355 /SPPV 36
SPPV 410 /SPPV 42
SPPV 450 /SPPV 46
SPPV 490 /SPPV 50
SEV 245/SEV 25
SEV 295/SEV 30
SEV 345/SEV 35
SBB 410/SBB 42
SBB 450/SBB 46
SBB 450M/SBB 46M

Chemical composition(mass fraction)(wt.%) of the SBB 480/SBB 49

C(％) Si(％) Mn(％) P(％) S(％)
0.31 0.15-0.30 0.90 0.035 0.040

Mechanical Properties of steel grade SBB 480/SBB 49

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
988 (≥) 188 (≥) 43 21 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade SBB 480/SBB 49

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
41 - -     0.31 -  
489 581 - 12.3 341   -  
783 - 41 43.2   432 432

Heat Treatment of steel grade SBB 480/SBB 49

Heat treated : 1549°C - 1355°C

Technological Curves of steel grade SBB 480/SBB 49

Cross Reference Table (Equivalent Grade) of SBB 480/SBB 49

Grade Standard Country Application
SBB 480/SBB 49 KS Korea Boiler and pressure vessel with carbon steel plate and steel grade molybdenum alloy steel plate
SBB 480M/SBB 49M KS Korea Boiler and pressure vessel with carbon steel plate and steel grade molybdenum alloy steel plate
SBB 450M/SBB 46M SBB 480M/SBB 49M
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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